<script type="text/javascript">
  System.err.println(this);
  System.err.println(this.gadget);
  System.err.println(this == this.gadget);
  System.err.println(this == this.gadget.scope);

  this._doOnClick = function(){
      System.err.println(js.lang.Math.uuid());
  };
</script>
<div id="content">
  <input type="button" value="test" onclick="this._doOnClick(e)"></input>
</div>
